OpenTechnical

OT-2026-000033185

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033185) never changes.

Identity and time

Publication numberOT-2026-000033185 · never reused
Internal UUID01a0ae75-4844-7f49-946c-d142bf70e50f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033185
StatusPUBLIC

Content hashes

Canonical text0783daca8ce009374e86a145e8f65889cc36fa05b5ccd74834ca25f255db1b96
Markdown31b9fbfd468a5433ef25278f353ae0f36faa9cb1482d8104aac79ddc86ec8ab7
PDF
Publication page9b19fb1173391004e3c81d458455424063a0a164ffa48fc6ff781fe1b3980efa
Manifest0b2ef7f45e553e3cd1dbe6c30a83b01ca033e89564cd2d05528f9566af6b2a87

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJhquMU+2zFRF6BWjbUHEyIpXjrlbDluZupLx3QSpggR0P4j9XgbVIvjGGu7t8XKcyifMJZr9VJKwNjj1ldKWAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:52.810440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033185
observed 9b19fb1173391004e3c81d4584554240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.785740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033185/manifest.json
observed 0b2ef7f45e553e3cd1dbe6c30a83b01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.760371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033185/publication.md
observed 31b9fbfd468a5433ef25278f353ae0f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.744397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033185/publication.txt
observed 0783daca8ce009374e86a145e8f65889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.